Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in the North West with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Test-Driven Development (TDD)
England > North West
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 25 25 35
Rank change year-on-year 0 +10 +11
Contract jobs citing TDD 358 437 364
As % of all contract IT jobs advertised in the North West 6.28% 6.39% 4.26%
As % of the Processes & Methodologies category 7.74% 7.63% 5.25%
Number of daily rates quoted 270 353 251
North West median daily rate £400 £425 £375
Median daily rate % change year-on-year -5.88% +13.33% +7.14%
10th Percentile £324 £313 £269
90th Percentile £563 £538 £525
England median daily rate £500 £463 £443
% change year-on-year +8.11% +4.41% +4.23%
Number of hourly rates quoted 6 3 0
North West median hourly rate £43.00 £42.50 -
Median hourly rate % change year-on-year +1.18% - -
England median hourly rate £45.00 £42.50 £40.00
% change year-on-year +5.88% +6.25% +14.29%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the North West with a requirement for process or methodology skills.

All Process and Methodology Skills
North West
Contract vacancies with a requirement for process or methodology skills 4624 5727 6938
As % of all contract IT jobs advertised in the North West 81.08% 83.79% 81.23%
Number of daily rates quoted 2961 3686 4208
North West median daily rate £400 £400 £400
10th Percentile £263 £263 £255
90th Percentile £588 £556 £575
England median daily rate £450 £425 £425
% change year-on-year +5.88% - +6.25%
Number of hourly rates quoted 205 166 282
North West median hourly rate £25.12 £22.00 £30.52
Median hourly rate % change year-on-year +14.18% -27.92% +74.40%
10th Percentile £11.52 £11.79 £12.37
90th Percentile £53.00 £53.00 £52.47
England median hourly rate £24.00 £24.00 £22.50
% change year-on-year - +6.67% +18.42%

TDD
Job Vacancy Trend in the North West

Job postings citing TDD as a percentage of all IT jobs advertised in the North West.

Job vacancy trend for TDD in the North West

TDD
Contractor Daily Rate Trend in the North West

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the North West.

Contractor daily rate trend for TDD in the North West

TDD
Contractor Daily Rate Histogram in the North West

The daily rate distribution of IT jobs citing TDD in the North West over the 6 months to 23 November 2017.

Contractor daily rate histogram for TDD in the North West

TDD
Contractor Hourly Rate Trend in the North West

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the North West.

Contractor hourly rate trend for TDD in the North West

TDD
Contract Job Locations in the North West

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the North West region over the 6 months to 23 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Manchester +2 223 £400 -6.16% 72
Cheshire -15 63 £400 +3.23% 27
Merseyside +23 31 £400 +8.11% 5
Lancashire +6 24 £425 -5.56% 11
Cumbria - 4 £420 -
TDD
England

For the 6 months to 23 November 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the North West region with a requirement for TDD.

1 267 (74.58%) Agile Software Development
2 168 (46.93%) JavaScript
3 147 (41.06%) Java
4 146 (40.78%) Scrum
5 143 (39.94%) BDD
6 135 (37.71%) Git (software)
7 126 (35.20%) Test Automation
8 117 (32.68%) CSS
9 111 (31.01%) HTML
10 106 (29.61%) SQL
11 96 (26.82%) .NET
12 88 (24.58%) C#
13 85 (23.74%) Node.js
14 78 (21.79%) MVC
15 76 (21.23%) Continuous Integration
16 73 (20.39%) REST
17 71 (19.83%) AngularJS
17 71 (19.83%) Kanban
18 66 (18.44%) Unit Testing
18 66 (18.44%) Spring
19 65 (18.16%) Finance
20 64 (17.88%) Software Engineering
21 63 (17.60%) Jenkins
22 61 (17.04%) JIRA
22 61 (17.04%) Linux
23 59 (16.48%) SQL Server
24 58 (16.20%) MongoDB
25 56 (15.64%) HTML5
26 53 (14.80%) NoSQL
27 52 (14.53%) Web Services

TDD
Co-occurring IT Skills in the North West by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 31 (8.66%) Confluence
2 13 (3.63%) CMS
3 12 (3.35%) Apache Spark
4 11 (3.07%) Elasticsearch
4 11 (3.07%) Tomcat
5 10 (2.79%) WebSphere
6 9 (2.51%) NServiceBus
7 8 (2.23%) SharePoint
8 7 (1.96%) Umbraco
8 7 (1.96%) WordPress
9 5 (1.40%) BizTalk Server
10 4 (1.12%) Commerce Server
10 4 (1.12%) ExpressionEngine
11 3 (0.84%) Apache
11 3 (0.84%) Drupal
11 3 (0.84%) IIS
12 1 (0.28%) EPiServer
12 1 (0.28%) JBoss
12 1 (0.28%) Joomla!
12 1 (0.28%) nginx
Applications
1 7 (1.96%) Microsoft Excel
2 6 (1.68%) Photoshop
3 4 (1.12%) Adobe Creative Suite
3 4 (1.12%) Adobe Illustrator
4 2 (0.56%) Microsoft Office
5 1 (0.28%) Adobe After Effects
5 1 (0.28%) Microsoft Project
Business Applications
1 5 (1.40%) Dynamics CRM
2 1 (0.28%) Oracle SCM
Cloud Services
1 22 (6.15%) npm
1 22 (6.15%) Slack
2 16 (4.47%) Amazon AWS
3 14 (3.91%) GitHub
4 7 (1.96%) Microsoft Azure
5 5 (1.40%) AWS Lambda
5 5 (1.40%) Serverless
6 4 (1.12%) Amazon EC2
7 3 (0.84%) Google Cloud Platform
7 3 (0.84%) PaaS
8 2 (0.56%) Amazon S3
8 2 (0.56%) AWS CloudFormation
8 2 (0.56%) Office 365
8 2 (0.56%) Virtual Private Cloud
9 1 (0.28%) Amazon Kinesis
9 1 (0.28%) BlazeMeter
9 1 (0.28%) Cloud Computing
9 1 (0.28%) Dynamics 365
9 1 (0.28%) SaaS
Communications & Networking
1 9 (2.51%) SMS
2 6 (1.68%) HTTP
3 3 (0.84%) PuTTY
3 3 (0.84%) WinSCP
4 2 (0.56%) DNS
5 1 (0.28%) Internet
5 1 (0.28%) SSL
Database & Business Intelligence
1 59 (16.48%) SQL Server
2 58 (16.20%) MongoDB
3 53 (14.80%) NoSQL
4 46 (12.85%) MySQL
5 39 (10.89%) PostgreSQL
6 33 (9.22%) Relational Database
7 24 (6.70%) RDBMS
8 17 (4.75%) Big Data
9 15 (4.19%) Hadoop
10 13 (3.63%) Apache Cassandra
11 7 (1.96%) Oracle Database
11 7 (1.96%) SQL Server 2014
11 7 (1.96%) SQL Server Integration Services
12 6 (1.68%) SQL Server Reporting Services
13 5 (1.40%) SQL Server 2012
14 4 (1.12%) DB2
14 4 (1.12%) Redis
14 4 (1.12%) SQL Server 2005
15 3 (0.84%) SQL Server Analysis Services
16 2 (0.56%) Apache Hive
Development Applications
1 135 (37.71%) Git (software)
2 63 (17.60%) Jenkins
3 61 (17.04%) JIRA
4 51 (14.25%) Cucumber
5 40 (11.17%) JUnit
6 26 (7.26%) gulp
7 23 (6.42%) Jasmine
7 23 (6.42%) TeamCity
8 17 (4.75%) Maven
9 16 (4.47%) Selenium
9 16 (4.47%) SonarQube
10 15 (4.19%) Gradle
10 15 (4.19%) Team Foundation Server
11 13 (3.63%) Grunt
11 13 (3.63%) JProfiler
12 12 (3.35%) Eclipse
13 11 (3.07%) Visual Studio
14 9 (2.51%) Hudson
14 9 (2.51%) IntelliJ
15 6 (1.68%) Mockito
General
1 65 (18.16%) Finance
2 31 (8.66%) Banking
3 22 (6.15%) Marketing
4 18 (5.03%) Manufacturing
5 16 (4.47%) Electronics
5 16 (4.47%) Telecoms
6 12 (3.35%) Games
7 10 (2.79%) Retail
8 5 (1.40%) Pharmaceutical
9 2 (0.56%) Financial Institution
9 2 (0.56%) Online Betting
10 1 (0.28%) Back Office
10 1 (0.28%) Front Office
10 1 (0.28%) Law
10 1 (0.28%) Retail Banking
Job Titles
1 278 (77.65%) Developer
2 92 (25.70%) Java Developer
3 62 (17.32%) .NET Developer
4 37 (10.34%) C# Developer
5 33 (9.22%) JavaScript Developer
6 32 (8.94%) C# .NET Developer
7 30 (8.38%) Software Developer
8 26 (7.26%) Senior Developer
8 26 (7.26%) Software Engineer
9 22 (6.15%) Java Software Developer
10 21 (5.87%) Front End Developer (Client-Side Developer)
11 20 (5.59%) Scrum Master
12 19 (5.31%) ASP.NET MVC Developer
13 18 (5.03%) Java Engineer
14 16 (4.47%) Full Stack Developer
14 16 (4.47%) HTML Developer
14 16 (4.47%) Scala Developer
14 16 (4.47%) UI Developer
14 16 (4.47%) Web Developer
15 15 (4.19%) Java Software Engineer
Libraries, Frameworks & Software Standards
1 117 (32.68%) CSS
2 111 (31.01%) HTML
3 96 (26.82%) .NET
4 85 (23.74%) Node.js
5 73 (20.39%) REST
6 71 (19.83%) AngularJS
7 66 (18.44%) Spring
8 56 (15.64%) HTML5
9 52 (14.53%) Web Services
10 51 (14.25%) React
11 49 (13.69%) ASP.NET
12 47 (13.13%) jQuery
13 41 (11.45%) CSS3
14 39 (10.89%) SOAP
15 38 (10.61%) RESTful
16 37 (10.34%) Hibernate
16 37 (10.34%) Spring Boot
17 36 (10.06%) ASP.NET Web API
18 34 (9.50%) Sass
19 33 (9.22%) ASP.NET MVC
Miscellaneous
1 27 (7.54%) Greenfield Project
2 23 (6.42%) Analytical Skills
3 15 (4.19%) User Experience
4 10 (2.79%) Mobile App
5 7 (1.96%) Interactive TV
6 6 (1.68%) Enterprise Software
6 6 (1.68%) Video on Demand
6 6 (1.68%) Virtual Team
7 5 (1.40%) Credit Risk
8 4 (1.12%) Computer Science
8 4 (1.12%) Hybrid Cloud
8 4 (1.12%) iPad
8 4 (1.12%) Linux Command Line
8 4 (1.12%) N-Tier
8 4 (1.12%) Public Cloud
9 3 (0.84%) Digital Media
9 3 (0.84%) Management Information System
9 3 (0.84%) MHEG
9 3 (0.84%) Online Banking
9 3 (0.84%) Replication
Operating Systems
1 61 (17.04%) Linux
2 26 (7.26%) Red Hat Enterprise Linux
3 16 (4.47%) Windows
4 10 (2.79%) Apple iOS
4 10 (2.79%) Unix
5 7 (1.96%) Oracle Linux
6 3 (0.84%) Android
7 2 (0.56%) Windows Server
8 1 (0.28%) Mesosphere
Processes & Methodologies
1 267 (74.58%) Agile Software Development
2 146 (40.78%) Scrum
3 143 (39.94%) BDD
4 126 (35.20%) Test Automation
5 78 (21.79%) MVC
6 76 (21.23%) Continuous Integration
7 71 (19.83%) Kanban
8 66 (18.44%) Unit Testing
9 64 (17.88%) Software Engineering
10 50 (13.97%) Microservices
10 50 (13.97%) Open Source
11 45 (12.57%) OO
12 44 (12.29%) DevOps
13 39 (10.89%) Front End Development
13 39 (10.89%) Mentoring
14 33 (9.22%) SDLC
15 32 (8.94%) User Stories
16 31 (8.66%) Web Development
17 30 (8.38%) Coaching
17 30 (8.38%) Continuous Delivery
Programming Languages
1 168 (46.93%) JavaScript
2 147 (41.06%) Java
3 106 (29.61%) SQL
4 88 (24.58%) C#
5 25 (6.98%) Python
6 21 (5.87%) PHP
7 15 (4.19%) Shell Script
8 10 (2.79%) Clojure
8 10 (2.79%) Ruby
9 9 (2.51%) Apple Swift
9 9 (2.51%) ES6
9 9 (2.51%) T-SQL
10 8 (2.23%) Objective-C
10 8 (2.23%) TypeScript
11 7 (1.96%) Scala
11 7 (1.96%) VB
12 6 (1.68%) C++
12 6 (1.68%) Go
13 4 (1.12%) VBA
14 3 (0.84%) C
Qualifications
1 13 (3.63%) PMI Certification
1 13 (3.63%) PMP
2 7 (1.96%) Degree
3 6 (1.68%) Security Cleared
4 4 (1.12%) Computer Science Degree
5 1 (0.28%) DV Cleared
5 1 (0.28%) ISEB
5 1 (0.28%) SC Cleared
Quality Assurance & Compliance
1 17 (4.75%) QA
2 2 (0.56%) Data Quality
2 2 (0.56%) PCI DSS
System Software
1 27 (7.54%) Docker
2 1 (0.28%) Varnish
Systems Management
1 8 (2.23%) Ansible
2 6 (1.68%) Business Desktop Deployment
2 6 (1.68%) Opscode Chef
2 6 (1.68%) Rancher
3 5 (1.40%) Puppet
4 3 (0.84%) Consul
4 3 (0.84%) Kibana
4 3 (0.84%) Mesos
4 3 (0.84%) Zipkin
5 2 (0.56%) Systems Management Server (SMS)
6 1 (0.28%) Kubernetes
Vendors
1 44 (12.29%) Oracle
2 27 (7.54%) Perforce
3 25 (6.98%) Microsoft
4 16 (4.47%) SAP
5 13 (3.63%) Red Hat
6 6 (1.68%) Google
6 6 (1.68%) Pega
7 5 (1.40%) Adobe
7 5 (1.40%) DevExpress
7 5 (1.40%) Xamarin
8 4 (1.12%) Sitecore
9 3 (0.84%) OpenTV
10 1 (0.28%) Atlassian
10 1 (0.28%) Capita